package com.hspedu.furns.web;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.Method;


public abstract class BasicServlet extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        //解决接收到的数据中文乱码问题
        req.setCharacterEncoding("utf-8");


        String action = req.getParameter("action");

        try {
            Method declaredMethod =
                    this.getClass().getDeclaredMethod(action, HttpServletRequest.class, HttpServletResponse.class);
            System.out.println("declaredMethod=" + declaredMethod);
            //使用方法对象，进行反射调用
            declaredMethod.invoke(this, req, resp);

        } catch (Exception e) {

            throw new RuntimeException(e);

        }

    }

    //在BasicServlet中, 增加处理Get请求

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
}
